package org.example.demo.service.userService;

import org.springframework.stereotype.Service;


public interface FavoriteService {

    //    添加商品到收藏夹
    int addFavorite(Long user_id, Long product_id);

//    ShopCart SelectProductByUserIdAndProductId(Long user_id, Long product_id);

    int cancelFavorite(Long user_id, Long product_id);
}
